package com.ny.demo524;

import com.ny.demo518.TestSet;
import com.ny.view.Users;

import java.sql.SQLException;
import java.util.HashSet;
import java.util.Scanner;
import java.util.Set;

class main {
    public static void main(String[] args) throws SQLException,ClassNotFoundException {
        UserDao userDao = new UserDao();
        System.out.println("来的xx系统");
        while (true){
            System.out.println("1.注册");
            System.out.println("2.登录");
            System.out.println("3.删除");
            System.out.println("4.修改");
            System.out.println("5.退出");
            Scanner scanner=new Scanner(System.in);
            System.out.println("请输入你的选择");
            int choice = scanner.nextInt();
            switch (choice){
                case 1:
                    System.out.println("欢迎来到注册系统");
                    System.out.println("请输入用户名");
                    String username=scanner.next();
                    System.out.println("请输入密码");
                    String password=scanner.next();
                    int i =userDao.addUser(username,password);
                    if (i>0){
                        System.out.println("注册成功");
                    }
                    else {
                        System.out.println("注册失败");
                    }
                    break;
                case 2:
                    System.out.println("请输入用户名");
                    String username1=scanner.next();
                    System.out.println("请输入密码");
                    String password1=scanner.next();
                    Users users = userDao.login(username1,password1);
                    if (users!=null){
                        System.out.println("登陆成功");
                    }
                    else {
                        System.out.println("登陆失败");
                    }
                    break;
                case 3:
                    System.out.println("请输入要删除的用户id");
                    String username2=scanner.next();
                    String password2=scanner.next();
                    int m= userDao.addUser(username2,password2);
                    if (m> 0) {
                        System.out.println("删除成功");
                    } else {
                        System.out.println("删除失败");
                    }
                    break;
                case 4:
                    System.out.println("请输入要修改的用户id");
                    String  username3 = scanner.next();
                    System.out.println("请输入用户名");
                    String  password3= scanner.next();
                    int n = userDao.addUser(username3,password3);
                    if (n > 0) {
                        System.out.println("修改成功");
                    } else {
                        System.out.println("修改失败");
                    }
                    break;
                case 5:
                    System.out.println("退出系统");
                    System.exit(0);
                    break;
                default:{
                    System.out.println("输入错误");
                }
            }
        }
    }
}
